JP3842674B2 - Electronic device and mobile phone connection switching method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electronic device and a cellular phone connection switching method .
[0002]
[Prior art]
In recent years, some mobile terminals such as hands-free calls and e-mail transmission and reception using speakers and microphones attached to audio equipment by connecting to mobile terminals such as mobile phones and PHS (Personal Handyphone System) Audio devices that can use the functions are widespread.
[0003]
There are two types of connection methods between the audio device and the portable terminal, and the functions of the portable terminal that can be used in the audio device differ depending on the connection method.
[0004]
In the method of connecting the external connection terminal of the portable terminal and the interface connector attached to the audio device (hereinafter referred to as BUS connection), data communication is possible. Data such as phone book information and mail address information stored in the terminal can be downloaded and displayed on the display screen. On the other hand, the method of connecting the earphone / microphone set terminal of the mobile terminal and the pin jack attached to the audio device (hereinafter referred to as simple connection) is a method of connecting analog audio as a telephone between the mobile terminal and the audio device. Only exchange is possible, and data communication cannot be performed as in the case of BUS connection.
[0005]
[Problems to be solved by the invention]
The user uses the above-mentioned two types of connection methods properly depending on the application. Conventionally, when the connection method is changed, the user has to change the settings on the audio device side. Further, every time the portable terminal is connected to the audio device, the user has to set the connection method on the audio device side.
[0006]
An object of the present invention is to automatically switch connection settings on the electronic device side when the portable terminal is connected to the electronic device or when the connection method between the portable terminal and the electronic device is changed. It is to improve the convenience of using the mobile terminal function.
[0007]
[Means for Solving the Problems]
In order to solve the above problem, the invention according to claim 1
A data transmitting / receiving means for connecting to a mobile phone and transmitting / receiving data to / from the mobile phone ;
Connected mobile phone, an analog voice transmission and reception means for performing only transmission and reception of the analog audio to and from the mobile phone,
In electronic equipment with
Reply request sending means for sending predetermined data to the connected mobile phone every predetermined time and requesting a reply;
Reply reception determination means for determining whether or not the reply has been received by the data transmission / reception means;
When it is determined that the reply has been received by the reply reception determining means, it is determined that the connection with the mobile phone is due to the data transmitting / receiving means, and an internal setting is made. First setting means for enabling processing including downloading of the phone book information or e-mail address information and display on the display means of data received from the mobile phone ;
When the reply reception judging means judges that the reply has not been received, it is judged that the connection with the mobile phone is made by the analog voice transmitting / receiving means, and an internal setting is made. A second setting means for enabling transmission and reception of audio ;
It is characterized by having.
[0008]
The invention according to claim 2 is the invention according to claim 1,
The predetermined data is a command for requesting data for confirming a connection state of a mobile phone .
[0009]
The invention according to claim 3 is the invention according to claim 1 or 2,
A microphone for inputting voice transmitted to the mobile phone and a speaker for outputting voice received from the mobile phone;
The internal setting by the second setting means enables the analog sound input from the microphone to be transmitted by the analog sound transmitting / receiving means and the analog sound received by the analog sound transmitting means to be output by the speaker. It is characterized by.
[0010]
The invention according to claim 4
A data transmitting / receiving means for connecting to a mobile phone and transmitting / receiving data to / from the mobile phone;
Analog voice transmission / reception means for connecting to a mobile phone and performing only analog voice transmission / reception with the mobile phone,
In a mobile phone connection switching method in an electronic device equipped with
Sending predetermined data to the connected mobile phone every predetermined time and requesting a reply;
Determining whether the reply has been received by the data transmitting and receiving means;
When it is determined that the reply has been received, it is determined that the connection with the mobile phone is by the data transmission / reception means, and internal settings are made, and the phone book information or mail from the mobile phone by the data transmission / reception means Enabling a process including downloading address information and displaying data received from the mobile phone on display means;
When it is determined that the reply has not been received, it is determined that the connection with the mobile phone is by the analog voice transmission / reception means, and internal settings are made, and analog voice transmission / reception by the analog voice transmission / reception means can be performed. And a process of
It is characterized by including.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment in which the present invention is applied to an audio device will be described in detail with reference to the drawings.
[0015]
First, the configuration will be described.
FIG. 1 is a diagram conceptually showing the overall configuration of the present invention. As shown in FIG. 1, the audio device 1 is connected to the external connection terminal 2a of the portable terminal 2 and the BUS connector 1a attached to the audio device 1, or the earphone / microphone set terminal 2b of the portable terminal 2 and the audio device. By connecting the pin jack 1b attached to the mobile terminal 2, some functions of the mobile terminal 2 can be used.
[0016]
FIG. 2 is a block diagram showing a functional configuration of the audio device 1 according to the present embodiment. As shown in FIG. 2, the audio device 1 includes a CPU 11, an input unit 12, a display unit 13, a RAM 14, a storage device 15, a playback unit 16, an audio processing unit 17, an I / F unit 18, and the like. Connected by bus. As shown in FIG. 2, the audio device 1 can be connected to the mobile terminal 2 via the I / F unit 18.
[0017]
A CPU (Central Processing Unit) 11 reads various control programs stored in the storage device 15 by key operation from the input unit 12 by a user, expands them in a program storage area in the RAM 14, and in accordance with the control program, each unit Centralized control of the operation. Further, the CPU 11 executes various processes including a portable terminal connection switching process, which will be described later, according to the read control program, and temporarily stores the results in a predetermined area in the RAM 14 or displays them on the display unit 13. I will let you. The CPU 11 has functions as a reply request transmission unit, a reply reception determination unit, a first setting unit, and a second setting unit.
[0018]
In other words, when the power is on, the CPU 11 outputs a compatible system display request command for requesting data for confirming the connection state of the portable terminal to the portable terminal 2 every predetermined time, for example, every second. To do. Then, the CPU 11 determines whether or not an adapted system display command and subsequent adapted system display data are input from the portable terminal 2, and if it is determined that the input is made, the CPU 11 determines that the connection with the portable terminal 2 is due to BUS connection. Then, various subsequent processes are executed. If the compatible system display system data is not output from the mobile terminal 2, the CPU 11 determines that the connection with the mobile terminal 2 is a simple connection, and executes various subsequent processes.
[0019]
The input unit 12 includes various keys associated with various functions used for sound reproduction, such as a play key, a SKIP UP / DOWN key, a stop key, and an eject key, in addition to character keys, numeric keys, and setting keys. Is output to the CPU 11. The input unit 12 may be configured to include a pointing device such as a touch panel, a remote controller, or the like, or a configuration capable of voice input.
[0020]
The display unit 13 is configured by an LCD (Liquid Crystal Display) or the like, and in accordance with a display signal input from the CPU 11, on the display screen, the input content by the input unit 12, the telephone number of the called party that has arrived at the mobile terminal 2, Displays numerical values such as names and character data.
[0021]
A RAM (Random Access Memory) 14 temporarily stores a program, input or output data read from the storage device 15 when executing various processes such as a portable terminal connection switching process executed by the CPU 11.
[0022]
The storage device 15 is composed of a magnetic or optical recording medium, or a nonvolatile memory such as a semiconductor. The storage device 15 stores in advance various processing programs such as a system program corresponding to the audio device 1, a recording process as an audio device executable on the system program, a playback process, and a portable terminal connection switching process. Further, the storage device 15 stores telephone directory information and mail address information data downloaded from the mobile terminal 2.
[0023]
The reproduction unit 16 includes an optical pickup (not shown), a DSP, a tracking thread servo circuit, a spindle servo circuit, and the like. Data corresponding to the address is reproduced.
[0024]
The audio processing unit 17 includes a microphone and a speaker (not shown), receives audio input from the microphone, converts the received analog audio data into digital audio data, and outputs the digital audio data to the CPU 11. Also, the digital audio data input from the CPU 11 and the playback unit 16 is converted into analog audio data and output from the speaker.
[0025]
The I / F unit 18 has an interface mechanism for connecting the audio device 1 and the portable terminal 2 such as the BUS connector 1a and the pin jack 1b shown in FIG.
The BUS connector 1 a is connected to the external connection terminal 2 a of the mobile terminal 2, and performs data transmission / reception (input / output) with the mobile terminal 2. When the portable terminal 2 is connected by BUS, the BUS connector 1a outputs a signal indicating the start of connection to the CPU 11. Alternatively, when a signal for determining the connection state with the portable terminal 2 is input from the CPU 11 at regular intervals, the BUS connector 1a indicates that the portable terminal 2 is connected when the portable terminal 2 is connected. The signal is output to the CPU 11.
The pin jack 1 b is connected to the earphone / microphone set terminal 2 b of the mobile terminal 2, and inputs / outputs analog audio to / from the mobile terminal 2.
The I / F unit 18 has functions as a data transmission / reception unit and an analog voice transmission / reception unit.
[0026]
The mobile terminal 2 is a mobile phone, a PHS, or the like, and establishes a radio communication line with a radio base station and transmits and receives radio signals. Specifically, when the user specifies a destination telephone number via the input unit 12 and a call instruction is input, the user makes a call to the specified telephone number. Alternatively, when an incoming signal is received from the radio base station, the user is notified of the incoming call, and when a call instruction is input, the incoming call is answered. The mobile terminal 2 can perform a hands-free call through a microphone and a speaker (not shown) of the audio device 1 by connecting to the audio device 1 via the I / F unit 18.
[0027]
Next, the operation will be described.
FIG. 3 is a diagram illustrating an example of data transmission / reception performed between the audio device 1 and the mobile terminal 2 every predetermined time, for example, every second, when the audio device 1 is powered on. As shown in FIG. 3, when the power is turned on, the audio device 1 outputs a compatible system display request command (1 Bhex) requesting the mobile terminal 2 for data for confirming the connection state of the mobile terminal. (1 in FIG. 3). If the audio device 1 and the portable terminal 2 are connected in a state where data communication is possible, the portable terminal 2 receives the compatible system display request command and transmits the compatible system display command (1 Bhex) to the audio device 1. (2-1 in FIG. 3). Subsequently, the mobile terminal 2 transmits compatible system display data to the audio device 1 (2-2 in FIG. 3). Since the compatible system display data has a variable length, it is divided into 1 Bhex data and transmitted several times. Every time 1 second has elapsed since the transmission of the compatible system request command, the audio device 1 repeatedly transmits the compatible system display request command.
[0028]
The compatible system display command and the subsequent compatible system display data from the portable terminal 2 in FIGS. 2-1 and 2-2 in FIG. When connected to the portable terminal 2 in a state where data communication is possible, the audio device 1 can receive the data. That is, it is possible to confirm that the audio device 1 is BUS-connected to the portable terminal 2 by receiving the compatible system display system data from the portable terminal 2.
[0029]
FIG. 4 is a flowchart showing a portable terminal connection switching process executed by the audio device 1. The portable terminal connection switching process confirms the connection method with the portable terminal 2 by using the data transmission / reception shown in FIG. 3 performed every predetermined time when the audio device 1 is powered on. This is a process of switching to a setting suitable for the connection method in the audio device 1. Hereinafter, the portable terminal connection switching process will be described with reference to FIG.
[0030]
When the power of the audio device 1 is turned on (step S1; YES), the CPU 11 sends a compatible system display request command (1Bhex) to the portable terminal 2 via the I / F unit 18 as shown in 1 of FIG. ) Is output (step S2). Next, the CPU 11 determines whether or not the adaptive system display system data shown in FIGS. 2-1 and 2-2 of FIG. 3 has been input (step S3), and determines that it has been input (step S3; YES), It is determined that the connection with the portable terminal 2 is a BUS connection, and various processes are performed (step S4).
[0031]
On the other hand, if it is determined that the compatible system display system data has not been input (step S3; NO), the CPU 11 determines that the connection with the portable terminal 2 is a simple connection and performs various processes (step S5). When 1 second has elapsed since the output of the compatible system display request command (step S6; YES), the CPU 11 returns to step S1 and repeats the processes of steps S1 to S6 as long as the power is on.
[0032]
As described above, according to the audio device 1, when the power is on, the compatible system display request command is output to the portable terminal 2 every second. Then, it is determined whether or not the compatible system display system data is input from the portable terminal 2 via the I / F unit 18. If it is determined that the input is performed, the connection with the portable terminal 2 is determined as the BUS connection. The various processes are executed. If the compatible system display system data is not output from the portable terminal 2, the audio device 1 determines that the connection with the portable terminal 2 is a simple connection, and executes various processes thereafter.
[0033]
Accordingly, the audio device 1 confirms the connection state of the portable terminal 2 every predetermined time, and automatically performs various processes according to the connection state, so that the user can change the connection state with the audio device 1 each time the connection state is changed. There is no need to operate connection switching. Further, when the portable terminal 2 is connected, the connection state is determined on the audio device 1 side, and various processes are automatically performed according to the connection state, thereby eliminating the need for the user to set the connection state. As a result, the convenience of using the hands-free function of the portable terminal 2 in the audio device 1 is improved.
[0034]
In addition, the description content in the said embodiment is a suitable example of this invention, and is not limited to this.
For example, the data for determining the connection state is not limited to the compatible system display system data, and transmission / reception (input / output) is performed between the audio device 1 and the portable terminal 2 every predetermined time when the power is on. Any data can be used.
[0035]
Further, as a method for realizing the same effect as the above embodiment, there is a method of providing a separate signal line.
FIG. 5 is a diagram schematically illustrating an example in which a connection confirmation conversion board 3 is provided between the audio device 1 and the portable terminal 2 so that the connection state is automatically recognized on the audio device 1 side. As shown in FIG. 5, the power line of the portable terminal 2 is constantly monitored by the signal lines 1 and 2 of the connection confirmation change board 3, and the monitoring result is obtained using a connection signal separately prepared on the audio device 1 side. Notify the device 1 side. Thus, if the connection can be confirmed, the CPU 11 of the audio device 1 determines that the connection with the portable terminal 2 is based on the BUS connection, and executes various subsequent processes. If the connection cannot be confirmed, the CPU 11 of the audio device 1 determines that the connection with the portable terminal 2 is a simple connection, and executes various subsequent processes. The signal lines 1 and 2 have a function as connection determination means, and the connection signal has a function as notification means.
[0036]
Furthermore, in the above-described embodiment, the audio device 1 is configured to connect to the mobile terminal 2 and realize the hands-free function of the mobile terminal 2. However, audio input / output and data communication with the mobile terminal 2 are possible. However, the electronic device is not limited to this, and may be a navigation device, for example.
[0037]
In addition, the detailed configuration and detailed operation of the audio device 1 and the portable terminal 2 can be changed as appropriate without departing from the spirit of the present invention.
[0038]
【The invention's effect】
According to the present invention, when the portable terminal is connected to the electronic device or when the connection method between the portable terminal and the electronic device is changed, the connection setting on the electronic device side is automatically switched, so that the electronic device The convenience of using the mobile terminal function can be improved.
[Brief description of the drawings]
FIG. 1 is a diagram conceptually showing the overall configuration of the present invention.
FIG. 2 is a block diagram showing a functional configuration of the audio device 1 of FIG. 1;
3 is a diagram illustrating an example of data transmission / reception performed between the audio device 1 of FIG. 1 and the portable terminal 2 via the I / F unit 18 of FIG.
4 is a flowchart of portable terminal connection switching processing executed by a CPU 11 of FIG.
5 is a diagram schematically showing an example in which a connection confirmation conversion board 3 is provided between the audio device 1 and the portable terminal 2 in FIG. 1 so that the connection state is automatically recognized on the audio device 1 side. is there.
[Explanation of symbols]
1 Audio equipment 2 Mobile terminal 11 CPU
12 Input unit 13 Display unit 14 RAM
15 Storage Device 16 Playback Unit 17 Audio Processing Unit 18 I / F Unit

Claims (4)

A data transmitting / receiving means for connecting to a mobile phone and transmitting / receiving data to / from the mobile phone ;
Connected mobile phone, an analog voice transmission and reception means for performing only transmission and reception of the analog audio to and from the mobile phone,
In electronic equipment with
Reply request sending means for sending predetermined data to the connected mobile phone every predetermined time and requesting a reply;
Reply reception determination means for determining whether or not the reply has been received by the data transmission / reception means;
When it is determined that the reply has been received by the reply reception determining means, it is determined that the connection with the mobile phone is due to the data transmitting / receiving means, and an internal setting is made. First setting means for enabling processing including downloading of the phone book information or e-mail address information and display on the display means of data received from the mobile phone ;
When the reply reception judging means judges that the reply has not been received, it is judged that the connection with the mobile phone is made by the analog voice transmitting / receiving means, and an internal setting is made. A second setting means for enabling transmission and reception of audio ;
An electronic device characterized by comprising: The electronic device according to claim 1, wherein the predetermined data is a command for requesting data for confirming a connection state of a mobile phone .   A microphone for inputting voice transmitted to the mobile phone and a speaker for outputting voice received from the mobile phone;
The internal setting by the second setting means enables the analog sound input from the microphone to be transmitted by the analog sound transmitting / receiving means and the analog sound received by the analog sound transmitting means to be output by the speaker. The electronic device according to claim 1, wherein:   A data transmitting / receiving means for connecting to a mobile phone and transmitting / receiving data to / from the mobile phone;
  Analog voice transmission / reception means for connecting to a mobile phone and performing only analog voice transmission / reception with the mobile phone,
  In a mobile phone connection switching method in an electronic device equipped with
  Sending predetermined data to the connected mobile phone every predetermined time and requesting a reply;
  Determining whether the reply has been received by the data transmitting and receiving means;
  When it is determined that the reply has been received, it is determined that the connection with the mobile phone is by the data transmission / reception means, and internal settings are made, and the phone book information or mail from the mobile phone by the data transmission / reception means Enabling a process including downloading address information and displaying data received from the mobile phone on display means;
  When it is determined that the reply has not been received, it is determined that the connection with the mobile phone is by the analog voice transmission / reception means, and internal settings are made, and analog voice transmission / reception by the analog voice transmission / reception means can be performed. And a process of
A mobile phone connection switching method comprising:

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